incubate

verb

in·​cu·​bate ˈiŋ-kyə-ˌbāt 

ˈin-

incubated; incubating

transitive verb

1

a

: to sit on (eggs) so as to hatch by the warmth of the body

b

: to maintain (something, such as an embryo or a chemically active system) under conditions favorable for hatching, development, or reaction

2

: to cause or aid the development of

incubate an idea

intransitive verb

1

: to sit on eggs

2

: to undergo incubation : develop

incubative

ˈiŋ-kyə-ˌbā-tiv 

ˈin-

adjective

incubatory

ˈiŋ-kyə-bə-ˌtȯr-ē 

-ˌbā-tə-rē

ˈin-

adjective

Synonyms

• brood
• hatch
• set
• sit

Examples of incubate in a Sentence

The female bird incubates the eggs.

Researchers incubated the cells in the laboratory.

The cultures must incubate for five more days.

The virus will incubate in the body for several days before the patient experiences any symptoms.

Recent Examples on the Web

Catch up quick: Henderson incubated the company at the software giant SAP and spun it out as a separate business in 2016. —Richard Collings, Axios, 16 Dec. 2024

By the second half of 2022, Zach Bryan and Omar Apollo had exploded, and the company was incubating several additions to this regime’s ongoing streak of nine Grammy best new artist nominees. —Jem Aswad, Variety, 7 Dec. 2024

The mating season is between October and November and the species often spends a little more than half of the year at the refuge, incubating and raising their chick. —Chris Lau, CNN, 5 Dec. 2024

The researchers found that the fungus and wood need to be incubated together for three months in a very moist environment. —Michael Irving, New Atlas, 1 Dec. 2024

Word History

Etymology

Latin incubatus, past participle of incubare, from in- + cubare to lie

First Known Use

1641, in the meaning defined at transitive sense 1a

Kids Definition

incubate

verb

in·​cu·​bate ˈiŋ-kyə-ˌbāt 

ˈin-

incubated; incubating

1

: to sit on eggs to hatch them by warmth

2

: to maintain (as bacteria or a chemically active system) under conditions good for development or reaction

3

: to go through the process of incubation

Medical Definition

incubate

verb

in·​cu·​bate ˈiŋ-kyə-ˌbāt, ˈin- 

incubated; incubating

transitive verb

1

: to maintain (as eggs, embryos of animals, or bacteria) under prescribed and usually controlled conditions favorable for hatching or development especially in an incubator

2

: to maintain (a chemically active system) under controlled conditions for the development of a reaction

intransitive verb

: to undergo incubation

the cultures incubated for five days